Cigarette lighter



FIG. 1 is a perspective view of a cigarette lighter according to my new design;

FIG. 2 is a front view of the lighter of FIG. 1;

FIG. 3 is a right side view of the lighter of FIG. 1 (the left side view being a mirror image thereof);

FIG. 4 is a rear view of the lighter of FIG. 1; and,

FIG. 5 is a bottom view of the lighter of FIG. 1 (the top view being a mirror image thereof).

The broken lines shown are included for the purpose of illustrating unclaimed portions of the article and form no part of the claimed design. 

The ornamental design for a cigarette lighter, as shown and described. 